Early Promise With REGN5668 Combinations in Gynecologic CancersByRoisin O’Cearbhaill, MDApril 13th 2026Roisin E. O'Cearbhaill reviews a phase 1/2 trial evaluating REGN5668, a MUC16×CD28 bispecific antibody, in combination with other targeted therapies for recurrent ovarian and endometrial cancers.